Respuesta :

Answer:

74cm

Step-by-step explanation:

(28×2)+(9×2)

Brainliest would be appreciated

Answer:

74cm

Step-by-step explanation:

To work this out you would add all the lengths of the sides together.

1) Multiply 28 by 2.

[tex]28*2=56[/tex]

2)Multiply 9 by 2.

[tex]9*2=18[/tex]

3) Add 18 to 56.

[tex]18+56=74[/tex]